Llywelyn ap Iorwerth defeats and captures his uncle Dafydd ab Owain at the battle near the Aber Llech stream in Gwynedd, establishing his dominance over the kingdom. The victory marks the beginning of Llywelyn the Great rise to power and the reunification of Gwynedd under one capable ruler.
Aubrey generates in-depth historical research for any location in Britain — drawing on Domesday records, scheduled monuments, Victorian OS maps, geological data and archaeological archives to tell the full story of a place.
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